Search Results - "Komdeur, J."

Adult sex ratio variation: implications for breeding system evolution by Székely, T, Weissing, F. J, Komdeur, J

“…Adult sex ratio (ASR) exhibits immense variation in nature, although neither the causes nor the implications of this variation are fully understood. According…”
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Rainfall is associated with divorce in the socially monogamous Seychelles warbler by Bentlage, A. A., Speelman, F. J. D., Komdeur, J., Burke, T., Richardson, D. S., Dugdale, H. L.

“…Divorce—terminating a pair bond whilst both members are alive—is a mating strategy observed in many socially monogamous species often linked to poor…”
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impact of reproductive investment and early‐life environmental conditions on senescence: support for the disposable soma hypothesis by Hammers, M, Richardson, D. S, Burke, T, Komdeur, J

“…Several hypotheses have been put forward to explain the evolution of senescence. One of the leading hypotheses, the disposable soma hypothesis, predicts a…”
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Adaptive sex allocation in birds: the complexities of linking theory and practice by Komdeur, J., Pen, I.

“…We review some recent theoretical and empirical developments in the study of sex allocation in birds. The advent of reliable molecular sexing techniques has…”
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Toll‐like receptor variation in the bottlenecked population of the endangered Seychelles warbler by Gilroy, D. L., Oosterhout, C., Komdeur, J., Richardson, D. S.

“…In small populations, drift results in a loss of genetic variation, which reduces adaptive evolutionary potential. Furthermore, the probability of…”
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Ecological constraints, life history traits and the evolution of cooperative breeding by Hatchwell, B.J., Komdeur, J.

“…The ecological constraints hypothesis is widely accepted as an explanation for the evolution of delayed dispersal in cooperatively breeding birds…”
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Fewer invited talks by women in evolutionary biology symposia by Schroeder, J, Dugdale, H. L, Radersma, R, Hinsch, M, Buehler, D. M, Saul, J, Porter, L, Liker, A, Cauwer, I, Johnson, P. J, Santure, A. W, Griffin, A. S, Bolund, E, Ross, L, Webb, T. J, Feulner, P. G. D, Winney, I, Szulkin, M, Komdeur, J, Versteegh, M. A, Hemelrijk, C. K, Svensson, E. I, Edwards, H, Karlsson, M, West, S. A, Barrett, E. L. B, Richardson, D. S, Brink, V, Wimpenny, J. H, Ellwood, S. A, Rees, M, Matson, K. D, Charmantier, A, dos Remedios, N, Schneider, N. A, Teplitsky, C, Laurance, W. F, Butlin, R. K, Horrocks, N. P. C

“…Lower visibility of female scientists, compared to male scientists, is a potential reason for the under‐representation of women among senior academic ranks…”
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Parentage assignment and extra-group paternity in a cooperative breeder: the Seychelles warbler (Acrocephalus sechellensis) by Richardson, D. S., Jury, F. L., Blaakmeer, K., Komdeur, J., Burke, T.

“…We describe the development and initial application of a semiautomated parentage testing system in the Seychelles warbler (Acrocephalus sechellensis). This…”
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Sharp acoustic boundaries across an altitudinal avian hybrid zone despite asymmetric introgression by Halfwerk, W., Dingle, C., Brinkhuizen, D. M., Poelstra, J. W., Komdeur, J., Slabbekoorn, H.

“…Birdsong is a sexually selected trait that could play an important evolutionary role when related taxa come into secondary contact. Many songbird species,…”
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Stress assessment in captive greylag geese (Anser anser)1 by Scheiber, I. B. R., Sterenborg, M., Komdeur, J.

“…Chronic stress--or, more appropriately, "allostatic overload"--may be physiologically harmful and can cause death in the most severe cases. Animals in…”
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Stress assessment in captive greylag geese (Anser anser) by Scheiber, I B R, Sterenborg, M, Komdeur, J

“…Chronic stress--or, more appropriately, "allostatic overload"--may be physiologically harmful and can cause death in the most severe cases. Animals in…”
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Eggshell pigmentation in the blue tit: male quality matters by Badás, E. P., Martinez, J., Aguilar, J. Rivero-de, Stevens, M., van der Velde, M., Komdeur, J., Merino, S.

“…Many passerines lay protoporphyrin-pigmented eggs, and the degree of spotting seems to be related to female condition and environmental characteristics…”
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Mate guarding in the Seychelles warbler is energetically costly and adjusted to paternity risk by Komdeur, Jan

“…) are considerable because warblers have a single–egg clutch and, given the short breeding season, no time for a successful replacement clutch. Neighbouring…”
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Heterozygosity-fitness correlations in a bottlenecked island species: a case study on the Seychelles warbler by BROUWER, L, KOMDEUR, J, RICHARDSON, D.S

“…We used capture-mark-recapture models to investigate the effects of both individual and parental heterozygosity, measured at microsatellite loci on the…”
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Sexual conflict over care: antagonistic effects of clutch desertion on reproductive success of male and female penduline tits by SZENTIRMAI, I., SZÉKELY, T., KOMDEUR, J.

“…A fundamental tenet of sexual conflict theory is that one sex may increase its reproductive success (RS) even if this harms the other sex. Several studies…”
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Kin recognition: function and mechanism in avian societies by Komdeur, J., Hatchwell, B.J.

“…Cooperative behaviour resulting from kin selection is widespread among animals and the ability to recognize and discriminate between kin and non-kin is a…”
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Pre-ovulation control of hatchling sex ratio in the Seychelles warbler by Komdeur, J., Magrath, M. J. L., Krackow, S.

“…Females of some bird species have a high degree of control over the sex ratio of their offspring at laying. Although several mechanisms have been put forward…”
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Facultative Sex Ratio Bias in the Offspring of Seychelles Warblers by Bose, N.

“…Young Seychelles warblers (Acrocephalus sechellensis) frequently remain in their natal territories as helpers. Helpers on low-quality territories (as measured…”
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Natal dispersal patterns are not associated with inbreeding avoidance in the Seychelles warbler by EIKENAAR, C, KOMDEUR, J, RICHARDSON, D.S

“…In this study, we test whether patterns of territory inheritance, social mate choice and female-biased natal dispersal act as inbreeding avoidance mechanisms…”
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Parent presence, delayed dispersal, and territory acquisition in the Seychelles warbler by Eikenaar, C, Richardson, DS, Brouwer, L, Komdeur, J

“…The presence of parents in the natal territory may play an important, but often overlooked, role in natal dispersal and the consequent acquisition of a…”
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